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Finding the Fourth Proportional to 2,332.54, 3,498.90 and 871.54

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Solution

The fourth proportional to 2,332.54, 3,498.90 and 871.54 is: 1,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,332.54 : 3,498.90 = 871.54 : x
  2. Step 2: Convert to fraction form
    2,332.54/3,498.90 = 871.54/x
  3. Step 3: Cross multiply
    2,332.54x = 3,498.90 × 871.54
  4. Step 4: Simplify right side
    2,332.54x = 3,049,431.31
  5. Step 5: Solve for x
    x = 3,049,431.31/2,332.54
  6. Step 6: Final answer
    x = 1,307.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.